./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9748ac58153b64e747f8b8295c3f77a1a4b306a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a9748ac58153b64e747f8b8295c3f77a1a4b306a .............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:40:45,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:40:45,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:40:45,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:40:45,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:40:45,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:40:45,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:40:45,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:40:45,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:40:45,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:40:45,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:40:45,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:40:45,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:40:45,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:40:45,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:40:45,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:40:45,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:40:45,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:40:45,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:40:45,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:40:45,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:40:45,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:40:45,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:40:45,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:40:45,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:40:45,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:40:45,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:40:45,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:40:45,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:40:45,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:40:45,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:40:45,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:40:45,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:40:45,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:40:45,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:40:45,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:40:45,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:40:45,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:40:45,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:40:45,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:40:45,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:40:45,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:40:45,297 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:40:45,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:40:45,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:40:45,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:40:45,304 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:40:45,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:40:45,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:40:45,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:40:45,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:40:45,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:40:45,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:40:45,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:40:45,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:40:45,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:40:45,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:40:45,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:40:45,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:40:45,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:40:45,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:40:45,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:40:45,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:40:45,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:40:45,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:40:45,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:40:45,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:40:45,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9748ac58153b64e747f8b8295c3f77a1a4b306a [2020-12-04 18:40:45,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:40:45,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:40:45,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:40:45,801 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:40:45,803 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:40:45,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i [2020-12-04 18:40:45,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033076681/21ea37e02f874d20bb0a6b2ea1ccd66f/FLAG7e7a4c02c [2020-12-04 18:40:47,114 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:40:47,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i [2020-12-04 18:40:47,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033076681/21ea37e02f874d20bb0a6b2ea1ccd66f/FLAG7e7a4c02c [2020-12-04 18:40:47,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033076681/21ea37e02f874d20bb0a6b2ea1ccd66f [2020-12-04 18:40:47,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:40:47,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:40:47,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:40:47,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:40:47,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:40:47,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:40:47" (1/1) ... [2020-12-04 18:40:47,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecfa0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:47, skipping insertion in model container [2020-12-04 18:40:47,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:40:47" (1/1) ... [2020-12-04 18:40:47,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:40:47,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:40:48,015 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4504,4517] [2020-12-04 18:40:48,026 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4564,4577] [2020-12-04 18:40:48,063 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:40:48,071 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:40:49,432 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,433 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,434 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,435 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,437 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,463 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,465 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,468 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,469 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:49,943 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:40:49,945 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:40:49,947 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:40:49,949 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:40:49,953 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:40:49,961 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:40:49,962 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:40:49,964 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:40:49,967 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:40:49,972 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:40:50,336 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:40:50,581 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,582 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:40:50,843 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:40:50,885 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4504,4517] [2020-12-04 18:40:50,888 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4564,4577] [2020-12-04 18:40:50,893 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:40:50,897 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:40:50,964 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,966 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,967 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,969 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,973 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,984 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,986 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,987 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:50,989 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:51,098 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:40:51,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:40:51,101 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:40:51,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:40:51,103 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:40:51,104 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:40:51,105 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:40:51,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:40:51,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:40:51,113 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:40:51,170 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:40:51,387 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:51,388 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:40:51,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:40:52,535 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:40:52,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52 WrapperNode [2020-12-04 18:40:52,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:40:52,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:40:52,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:40:52,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:40:52,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:52,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:52,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:40:52,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:40:52,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:40:52,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:40:52,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:52,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:52,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:52,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:52,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:53,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:53,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... [2020-12-04 18:40:53,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:40:53,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:40:53,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:40:53,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:40:53,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:40:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 18:40:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:40:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:40:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 18:40:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:40:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:40:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:40:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 18:40:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:40:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 18:40:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:41:03,444 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:41:03,445 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2020-12-04 18:41:03,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:41:03 BoogieIcfgContainer [2020-12-04 18:41:03,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:41:03,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:41:03,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:41:03,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:41:03,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:40:47" (1/3) ... [2020-12-04 18:41:03,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b71351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:41:03, skipping insertion in model container [2020-12-04 18:41:03,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:40:52" (2/3) ... [2020-12-04 18:41:03,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b71351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:41:03, skipping insertion in model container [2020-12-04 18:41:03,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:41:03" (3/3) ... [2020-12-04 18:41:03,460 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_left_trim_pred_harness.i [2020-12-04 18:41:03,480 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:41:03,487 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-12-04 18:41:03,502 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-04 18:41:03,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:41:03,536 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:41:03,536 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:41:03,537 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:41:03,537 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:41:03,537 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:41:03,537 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:41:03,538 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:41:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-04 18:41:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-04 18:41:03,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:03,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:03,573 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:03,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:03,582 INFO L82 PathProgramCache]: Analyzing trace with hash 960385600, now seen corresponding path program 1 times [2020-12-04 18:41:03,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:03,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389514266] [2020-12-04 18:41:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:04,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389514266] [2020-12-04 18:41:04,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:04,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:41:04,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943820886] [2020-12-04 18:41:04,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:41:04,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:04,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:41:04,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:41:04,616 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-04 18:41:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:04,652 INFO L93 Difference]: Finished difference Result 244 states and 337 transitions. [2020-12-04 18:41:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:41:04,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2020-12-04 18:41:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:04,666 INFO L225 Difference]: With dead ends: 244 [2020-12-04 18:41:04,667 INFO L226 Difference]: Without dead ends: 117 [2020-12-04 18:41:04,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:41:04,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-04 18:41:04,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-04 18:41:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-04 18:41:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 150 transitions. [2020-12-04 18:41:04,724 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 150 transitions. Word has length 30 [2020-12-04 18:41:04,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:04,725 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 150 transitions. [2020-12-04 18:41:04,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:41:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 150 transitions. [2020-12-04 18:41:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-04 18:41:04,727 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:04,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:04,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:41:04,728 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:04,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:04,730 INFO L82 PathProgramCache]: Analyzing trace with hash -649638665, now seen corresponding path program 1 times [2020-12-04 18:41:04,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:04,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133952968] [2020-12-04 18:41:04,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:05,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133952968] [2020-12-04 18:41:05,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:05,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:41:05,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956079046] [2020-12-04 18:41:05,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:41:05,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:05,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:41:05,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:41:05,131 INFO L87 Difference]: Start difference. First operand 117 states and 150 transitions. Second operand 4 states. [2020-12-04 18:41:05,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:05,357 INFO L93 Difference]: Finished difference Result 213 states and 273 transitions. [2020-12-04 18:41:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:41:05,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-04 18:41:05,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:05,365 INFO L225 Difference]: With dead ends: 213 [2020-12-04 18:41:05,366 INFO L226 Difference]: Without dead ends: 117 [2020-12-04 18:41:05,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:41:05,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-04 18:41:05,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-04 18:41:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-04 18:41:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2020-12-04 18:41:05,402 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 32 [2020-12-04 18:41:05,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:05,403 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2020-12-04 18:41:05,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:41:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2020-12-04 18:41:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 18:41:05,405 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:05,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:05,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 18:41:05,406 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:05,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:05,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1150788759, now seen corresponding path program 1 times [2020-12-04 18:41:05,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:05,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757770051] [2020-12-04 18:41:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:05,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757770051] [2020-12-04 18:41:05,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:05,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:41:05,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362154509] [2020-12-04 18:41:05,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:41:05,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:06,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:41:06,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:41:06,007 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand 5 states. [2020-12-04 18:41:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:06,220 INFO L93 Difference]: Finished difference Result 174 states and 217 transitions. [2020-12-04 18:41:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:41:06,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-04 18:41:06,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:06,223 INFO L225 Difference]: With dead ends: 174 [2020-12-04 18:41:06,223 INFO L226 Difference]: Without dead ends: 117 [2020-12-04 18:41:06,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:41:06,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-04 18:41:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-04 18:41:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-04 18:41:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2020-12-04 18:41:06,234 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 36 [2020-12-04 18:41:06,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:06,235 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2020-12-04 18:41:06,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:41:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2020-12-04 18:41:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-04 18:41:06,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:06,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:06,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 18:41:06,238 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:06,239 INFO L82 PathProgramCache]: Analyzing trace with hash 410162962, now seen corresponding path program 1 times [2020-12-04 18:41:06,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:06,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45416274] [2020-12-04 18:41:06,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:07,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45416274] [2020-12-04 18:41:07,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:07,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:41:07,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260085794] [2020-12-04 18:41:07,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:41:07,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:07,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:41:07,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:41:07,058 INFO L87 Difference]: Start difference. First operand 117 states and 146 transitions. Second operand 6 states. [2020-12-04 18:41:07,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:07,701 INFO L93 Difference]: Finished difference Result 216 states and 261 transitions. [2020-12-04 18:41:07,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:41:07,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-12-04 18:41:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:07,705 INFO L225 Difference]: With dead ends: 216 [2020-12-04 18:41:07,706 INFO L226 Difference]: Without dead ends: 208 [2020-12-04 18:41:07,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:41:07,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-04 18:41:07,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 133. [2020-12-04 18:41:07,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-04 18:41:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 162 transitions. [2020-12-04 18:41:07,719 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 162 transitions. Word has length 38 [2020-12-04 18:41:07,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:07,720 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 162 transitions. [2020-12-04 18:41:07,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:41:07,720 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 162 transitions. [2020-12-04 18:41:07,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-04 18:41:07,725 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:07,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:07,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-04 18:41:07,725 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:07,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:07,727 INFO L82 PathProgramCache]: Analyzing trace with hash -235054390, now seen corresponding path program 1 times [2020-12-04 18:41:07,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:07,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837697158] [2020-12-04 18:41:07,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:09,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837697158] [2020-12-04 18:41:09,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:09,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:41:09,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50652286] [2020-12-04 18:41:09,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:41:09,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:09,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:41:09,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:41:09,160 INFO L87 Difference]: Start difference. First operand 133 states and 162 transitions. Second operand 9 states. [2020-12-04 18:41:17,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:17,249 INFO L93 Difference]: Finished difference Result 399 states and 482 transitions. [2020-12-04 18:41:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-04 18:41:17,250 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-12-04 18:41:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:17,253 INFO L225 Difference]: With dead ends: 399 [2020-12-04 18:41:17,253 INFO L226 Difference]: Without dead ends: 292 [2020-12-04 18:41:17,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-12-04 18:41:17,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-12-04 18:41:17,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 207. [2020-12-04 18:41:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-04 18:41:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2020-12-04 18:41:17,271 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 42 [2020-12-04 18:41:17,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:17,272 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2020-12-04 18:41:17,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:41:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2020-12-04 18:41:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-04 18:41:17,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:17,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:17,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-04 18:41:17,275 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:17,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:17,276 INFO L82 PathProgramCache]: Analyzing trace with hash 324843685, now seen corresponding path program 1 times [2020-12-04 18:41:17,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:17,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227762836] [2020-12-04 18:41:17,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:17,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227762836] [2020-12-04 18:41:17,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:17,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:41:17,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057004876] [2020-12-04 18:41:17,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:41:17,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:17,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:41:17,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:41:17,652 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand 4 states. [2020-12-04 18:41:17,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:17,792 INFO L93 Difference]: Finished difference Result 264 states and 317 transitions. [2020-12-04 18:41:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:41:17,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-12-04 18:41:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:17,796 INFO L225 Difference]: With dead ends: 264 [2020-12-04 18:41:17,796 INFO L226 Difference]: Without dead ends: 207 [2020-12-04 18:41:17,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:41:17,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-12-04 18:41:17,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-12-04 18:41:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-04 18:41:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 249 transitions. [2020-12-04 18:41:17,813 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 249 transitions. Word has length 43 [2020-12-04 18:41:17,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:17,813 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 249 transitions. [2020-12-04 18:41:17,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:41:17,814 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 249 transitions. [2020-12-04 18:41:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 18:41:17,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:17,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:17,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-04 18:41:17,816 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:17,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:17,817 INFO L82 PathProgramCache]: Analyzing trace with hash 495838041, now seen corresponding path program 1 times [2020-12-04 18:41:17,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:17,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664031227] [2020-12-04 18:41:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:18,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664031227] [2020-12-04 18:41:18,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:18,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-04 18:41:18,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88680658] [2020-12-04 18:41:18,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-04 18:41:18,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:18,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-04 18:41:18,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 18:41:18,125 INFO L87 Difference]: Start difference. First operand 207 states and 249 transitions. Second operand 3 states. [2020-12-04 18:41:18,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:18,166 INFO L93 Difference]: Finished difference Result 298 states and 361 transitions. [2020-12-04 18:41:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-04 18:41:18,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-04 18:41:18,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:18,171 INFO L225 Difference]: With dead ends: 298 [2020-12-04 18:41:18,171 INFO L226 Difference]: Without dead ends: 210 [2020-12-04 18:41:18,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 18:41:18,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-12-04 18:41:18,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2020-12-04 18:41:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-04 18:41:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 252 transitions. [2020-12-04 18:41:18,186 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 252 transitions. Word has length 45 [2020-12-04 18:41:18,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:18,187 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 252 transitions. [2020-12-04 18:41:18,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-04 18:41:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 252 transitions. [2020-12-04 18:41:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-04 18:41:18,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:18,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:18,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-04 18:41:18,190 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:18,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:18,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2004884674, now seen corresponding path program 1 times [2020-12-04 18:41:18,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:18,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904980865] [2020-12-04 18:41:18,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:19,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904980865] [2020-12-04 18:41:19,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:19,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:41:19,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389034338] [2020-12-04 18:41:19,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:41:19,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:19,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:41:19,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:41:19,289 INFO L87 Difference]: Start difference. First operand 210 states and 252 transitions. Second operand 7 states. [2020-12-04 18:41:20,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:20,088 INFO L93 Difference]: Finished difference Result 433 states and 511 transitions. [2020-12-04 18:41:20,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-04 18:41:20,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-12-04 18:41:20,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:20,091 INFO L225 Difference]: With dead ends: 433 [2020-12-04 18:41:20,092 INFO L226 Difference]: Without dead ends: 262 [2020-12-04 18:41:20,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:41:20,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-12-04 18:41:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 210. [2020-12-04 18:41:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-12-04 18:41:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 250 transitions. [2020-12-04 18:41:20,115 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 250 transitions. Word has length 46 [2020-12-04 18:41:20,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:20,116 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 250 transitions. [2020-12-04 18:41:20,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:41:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 250 transitions. [2020-12-04 18:41:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-04 18:41:20,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:20,118 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:20,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-04 18:41:20,119 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:20,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:20,121 INFO L82 PathProgramCache]: Analyzing trace with hash -954265451, now seen corresponding path program 1 times [2020-12-04 18:41:20,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:20,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341584541] [2020-12-04 18:41:20,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-04 18:41:21,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341584541] [2020-12-04 18:41:21,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:21,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:41:21,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849093549] [2020-12-04 18:41:21,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:41:21,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:21,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:41:21,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:41:21,402 INFO L87 Difference]: Start difference. First operand 210 states and 250 transitions. Second operand 9 states. [2020-12-04 18:41:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:29,040 INFO L93 Difference]: Finished difference Result 412 states and 485 transitions. [2020-12-04 18:41:29,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-04 18:41:29,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2020-12-04 18:41:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:29,044 INFO L225 Difference]: With dead ends: 412 [2020-12-04 18:41:29,044 INFO L226 Difference]: Without dead ends: 292 [2020-12-04 18:41:29,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-12-04 18:41:29,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-12-04 18:41:29,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 207. [2020-12-04 18:41:29,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-04 18:41:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 245 transitions. [2020-12-04 18:41:29,060 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 245 transitions. Word has length 47 [2020-12-04 18:41:29,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:29,061 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 245 transitions. [2020-12-04 18:41:29,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:41:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 245 transitions. [2020-12-04 18:41:29,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-04 18:41:29,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:29,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:29,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-04 18:41:29,063 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:29,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:29,064 INFO L82 PathProgramCache]: Analyzing trace with hash 93394749, now seen corresponding path program 1 times [2020-12-04 18:41:29,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:29,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598649375] [2020-12-04 18:41:29,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:29,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:29,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598649375] [2020-12-04 18:41:29,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:29,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:41:29,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2536521] [2020-12-04 18:41:29,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:41:29,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:29,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:41:29,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:41:29,826 INFO L87 Difference]: Start difference. First operand 207 states and 245 transitions. Second operand 5 states. [2020-12-04 18:41:32,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:32,753 INFO L93 Difference]: Finished difference Result 400 states and 473 transitions. [2020-12-04 18:41:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:41:32,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-04 18:41:32,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:32,757 INFO L225 Difference]: With dead ends: 400 [2020-12-04 18:41:32,758 INFO L226 Difference]: Without dead ends: 233 [2020-12-04 18:41:32,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:41:32,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-12-04 18:41:32,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 207. [2020-12-04 18:41:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-04 18:41:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 237 transitions. [2020-12-04 18:41:32,775 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 237 transitions. Word has length 48 [2020-12-04 18:41:32,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:32,776 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 237 transitions. [2020-12-04 18:41:32,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:41:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 237 transitions. [2020-12-04 18:41:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-04 18:41:32,778 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:32,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:32,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-04 18:41:32,779 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:32,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:32,780 INFO L82 PathProgramCache]: Analyzing trace with hash 2144378747, now seen corresponding path program 1 times [2020-12-04 18:41:32,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:32,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365859089] [2020-12-04 18:41:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:33,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365859089] [2020-12-04 18:41:33,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:33,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:41:33,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641237989] [2020-12-04 18:41:33,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:41:33,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:33,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:41:33,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:41:33,946 INFO L87 Difference]: Start difference. First operand 207 states and 237 transitions. Second operand 8 states. [2020-12-04 18:41:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:44,579 INFO L93 Difference]: Finished difference Result 542 states and 620 transitions. [2020-12-04 18:41:44,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-04 18:41:44,581 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-12-04 18:41:44,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:44,586 INFO L225 Difference]: With dead ends: 542 [2020-12-04 18:41:44,586 INFO L226 Difference]: Without dead ends: 478 [2020-12-04 18:41:44,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-12-04 18:41:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-12-04 18:41:44,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 193. [2020-12-04 18:41:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-12-04 18:41:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 219 transitions. [2020-12-04 18:41:44,607 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 219 transitions. Word has length 48 [2020-12-04 18:41:44,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:44,609 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 219 transitions. [2020-12-04 18:41:44,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:41:44,609 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 219 transitions. [2020-12-04 18:41:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-04 18:41:44,610 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:44,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:44,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-04 18:41:44,611 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:44,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:44,612 INFO L82 PathProgramCache]: Analyzing trace with hash 870337434, now seen corresponding path program 1 times [2020-12-04 18:41:44,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:44,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644261670] [2020-12-04 18:41:44,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:45,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644261670] [2020-12-04 18:41:45,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:45,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:41:45,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976203702] [2020-12-04 18:41:45,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:41:45,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:45,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:41:45,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:41:45,445 INFO L87 Difference]: Start difference. First operand 193 states and 219 transitions. Second operand 4 states. [2020-12-04 18:41:48,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:41:48,286 INFO L93 Difference]: Finished difference Result 353 states and 402 transitions. [2020-12-04 18:41:48,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:41:48,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-04 18:41:48,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:41:48,290 INFO L225 Difference]: With dead ends: 353 [2020-12-04 18:41:48,290 INFO L226 Difference]: Without dead ends: 193 [2020-12-04 18:41:48,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:41:48,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-12-04 18:41:48,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-12-04 18:41:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-12-04 18:41:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 212 transitions. [2020-12-04 18:41:48,306 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 212 transitions. Word has length 49 [2020-12-04 18:41:48,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:41:48,307 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 212 transitions. [2020-12-04 18:41:48,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:41:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 212 transitions. [2020-12-04 18:41:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-04 18:41:48,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:41:48,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:41:48,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-04 18:41:48,309 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:41:48,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:41:48,310 INFO L82 PathProgramCache]: Analyzing trace with hash 190279064, now seen corresponding path program 1 times [2020-12-04 18:41:48,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:41:48,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162646474] [2020-12-04 18:41:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:41:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:41:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:41:49,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162646474] [2020-12-04 18:41:49,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:41:49,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:41:49,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813267583] [2020-12-04 18:41:49,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 18:41:49,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:41:49,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 18:41:49,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:41:49,414 INFO L87 Difference]: Start difference. First operand 193 states and 212 transitions. Second operand 10 states. [2020-12-04 18:42:00,858 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-12-04 18:42:02,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:42:02,317 INFO L93 Difference]: Finished difference Result 313 states and 339 transitions. [2020-12-04 18:42:02,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-04 18:42:02,320 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2020-12-04 18:42:02,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:42:02,322 INFO L225 Difference]: With dead ends: 313 [2020-12-04 18:42:02,323 INFO L226 Difference]: Without dead ends: 268 [2020-12-04 18:42:02,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2020-12-04 18:42:02,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-12-04 18:42:02,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 204. [2020-12-04 18:42:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-04 18:42:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 223 transitions. [2020-12-04 18:42:02,339 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 223 transitions. Word has length 49 [2020-12-04 18:42:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:42:02,339 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 223 transitions. [2020-12-04 18:42:02,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 18:42:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 223 transitions. [2020-12-04 18:42:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-04 18:42:02,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:42:02,341 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:42:02,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-04 18:42:02,341 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:42:02,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:42:02,342 INFO L82 PathProgramCache]: Analyzing trace with hash 482349700, now seen corresponding path program 1 times [2020-12-04 18:42:02,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:42:02,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094742345] [2020-12-04 18:42:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:42:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:42:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-04 18:42:03,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094742345] [2020-12-04 18:42:03,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:42:03,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:42:03,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817341520] [2020-12-04 18:42:03,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:42:03,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:42:03,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:42:03,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:42:03,582 INFO L87 Difference]: Start difference. First operand 204 states and 223 transitions. Second operand 8 states. [2020-12-04 18:42:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:42:13,828 INFO L93 Difference]: Finished difference Result 603 states and 662 transitions. [2020-12-04 18:42:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-04 18:42:13,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-12-04 18:42:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:42:13,835 INFO L225 Difference]: With dead ends: 603 [2020-12-04 18:42:13,835 INFO L226 Difference]: Without dead ends: 483 [2020-12-04 18:42:13,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2020-12-04 18:42:13,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-12-04 18:42:13,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 201. [2020-12-04 18:42:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-12-04 18:42:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 218 transitions. [2020-12-04 18:42:13,851 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 218 transitions. Word has length 53 [2020-12-04 18:42:13,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:42:13,852 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 218 transitions. [2020-12-04 18:42:13,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:42:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 218 transitions. [2020-12-04 18:42:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-04 18:42:13,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:42:13,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:42:13,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-04 18:42:13,854 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:42:13,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:42:13,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1409745750, now seen corresponding path program 1 times [2020-12-04 18:42:13,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:42:13,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096183406] [2020-12-04 18:42:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:42:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:42:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:42:14,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096183406] [2020-12-04 18:42:14,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:42:14,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:42:14,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157675459] [2020-12-04 18:42:14,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:42:14,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:42:14,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:42:14,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:42:14,632 INFO L87 Difference]: Start difference. First operand 201 states and 218 transitions. Second operand 8 states. [2020-12-04 18:42:25,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:42:25,549 INFO L93 Difference]: Finished difference Result 566 states and 618 transitions. [2020-12-04 18:42:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-04 18:42:25,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-04 18:42:25,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:42:25,557 INFO L225 Difference]: With dead ends: 566 [2020-12-04 18:42:25,557 INFO L226 Difference]: Without dead ends: 482 [2020-12-04 18:42:25,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-12-04 18:42:25,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-12-04 18:42:25,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 203. [2020-12-04 18:42:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-12-04 18:42:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 220 transitions. [2020-12-04 18:42:25,577 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 220 transitions. Word has length 54 [2020-12-04 18:42:25,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:42:25,577 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 220 transitions. [2020-12-04 18:42:25,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:42:25,578 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 220 transitions. [2020-12-04 18:42:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-04 18:42:25,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:42:25,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:42:25,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-04 18:42:25,580 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:42:25,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:42:25,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2092937159, now seen corresponding path program 1 times [2020-12-04 18:42:25,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:42:25,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500704225] [2020-12-04 18:42:25,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:42:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:42:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:42:26,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500704225] [2020-12-04 18:42:26,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:42:26,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:42:26,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644486722] [2020-12-04 18:42:26,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:42:26,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:42:26,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:42:26,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:42:26,564 INFO L87 Difference]: Start difference. First operand 203 states and 220 transitions. Second operand 9 states. [2020-12-04 18:42:40,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:42:40,201 INFO L93 Difference]: Finished difference Result 502 states and 544 transitions. [2020-12-04 18:42:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-04 18:42:40,205 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-12-04 18:42:40,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:42:40,212 INFO L225 Difference]: With dead ends: 502 [2020-12-04 18:42:40,212 INFO L226 Difference]: Without dead ends: 457 [2020-12-04 18:42:40,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2020-12-04 18:42:40,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-12-04 18:42:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 173. [2020-12-04 18:42:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-12-04 18:42:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 187 transitions. [2020-12-04 18:42:40,235 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 187 transitions. Word has length 55 [2020-12-04 18:42:40,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:42:40,236 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 187 transitions. [2020-12-04 18:42:40,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:42:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 187 transitions. [2020-12-04 18:42:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-04 18:42:40,243 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:42:40,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:42:40,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-04 18:42:40,243 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:42:40,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:42:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash 485245166, now seen corresponding path program 1 times [2020-12-04 18:42:40,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:42:40,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915208025] [2020-12-04 18:42:40,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:42:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:42:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:42:44,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915208025] [2020-12-04 18:42:44,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:42:44,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:42:44,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355699476] [2020-12-04 18:42:44,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:42:44,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:42:44,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:42:44,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:42:44,421 INFO L87 Difference]: Start difference. First operand 173 states and 187 transitions. Second operand 9 states. [2020-12-04 18:42:46,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:42:46,260 INFO L93 Difference]: Finished difference Result 393 states and 422 transitions. [2020-12-04 18:42:46,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:42:46,264 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-12-04 18:42:46,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:42:46,265 INFO L225 Difference]: With dead ends: 393 [2020-12-04 18:42:46,266 INFO L226 Difference]: Without dead ends: 243 [2020-12-04 18:42:46,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-12-04 18:42:46,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-12-04 18:42:46,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 177. [2020-12-04 18:42:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-12-04 18:42:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 191 transitions. [2020-12-04 18:42:46,281 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 191 transitions. Word has length 56 [2020-12-04 18:42:46,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:42:46,282 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 191 transitions. [2020-12-04 18:42:46,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:42:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 191 transitions. [2020-12-04 18:42:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-04 18:42:46,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:42:46,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:42:46,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-04 18:42:46,283 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:42:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:42:46,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1309942923, now seen corresponding path program 1 times [2020-12-04 18:42:46,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:42:46,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209434937] [2020-12-04 18:42:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:42:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:42:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:42:46,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209434937] [2020-12-04 18:42:46,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:42:46,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:42:46,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568332513] [2020-12-04 18:42:46,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:42:46,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:42:46,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:42:46,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:42:46,766 INFO L87 Difference]: Start difference. First operand 177 states and 191 transitions. Second operand 4 states. [2020-12-04 18:42:46,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:42:46,968 INFO L93 Difference]: Finished difference Result 188 states and 201 transitions. [2020-12-04 18:42:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:42:46,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-12-04 18:42:46,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:42:46,975 INFO L225 Difference]: With dead ends: 188 [2020-12-04 18:42:46,975 INFO L226 Difference]: Without dead ends: 177 [2020-12-04 18:42:46,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:42:46,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-12-04 18:42:46,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-12-04 18:42:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-12-04 18:42:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 190 transitions. [2020-12-04 18:42:46,990 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 190 transitions. Word has length 58 [2020-12-04 18:42:46,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:42:46,990 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 190 transitions. [2020-12-04 18:42:46,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:42:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 190 transitions. [2020-12-04 18:42:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-04 18:42:46,992 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:42:46,992 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:42:46,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-04 18:42:46,993 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:42:46,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:42:46,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1050364765, now seen corresponding path program 1 times [2020-12-04 18:42:46,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:42:46,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845761472] [2020-12-04 18:42:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:42:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:42:54,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:42:54,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845761472] [2020-12-04 18:42:54,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:42:54,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-12-04 18:42:54,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807827555] [2020-12-04 18:42:54,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-04 18:42:54,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:42:54,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-04 18:42:54,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-12-04 18:42:54,028 INFO L87 Difference]: Start difference. First operand 177 states and 190 transitions. Second operand 16 states. [2020-12-04 18:43:03,157 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-12-04 18:43:03,404 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-04 18:43:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:43:08,427 INFO L93 Difference]: Finished difference Result 503 states and 532 transitions. [2020-12-04 18:43:08,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-04 18:43:08,432 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 59 [2020-12-04 18:43:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:43:08,435 INFO L225 Difference]: With dead ends: 503 [2020-12-04 18:43:08,435 INFO L226 Difference]: Without dead ends: 432 [2020-12-04 18:43:08,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2020-12-04 18:43:08,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-12-04 18:43:08,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 239. [2020-12-04 18:43:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-12-04 18:43:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 260 transitions. [2020-12-04 18:43:08,465 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 260 transitions. Word has length 59 [2020-12-04 18:43:08,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:43:08,466 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 260 transitions. [2020-12-04 18:43:08,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-04 18:43:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2020-12-04 18:43:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-04 18:43:08,467 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:43:08,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:43:08,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-04 18:43:08,468 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:43:08,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:43:08,469 INFO L82 PathProgramCache]: Analyzing trace with hash 224519228, now seen corresponding path program 1 times [2020-12-04 18:43:08,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:43:08,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865012703] [2020-12-04 18:43:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:43:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:43:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:43:09,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865012703] [2020-12-04 18:43:09,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:43:09,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-04 18:43:09,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687407844] [2020-12-04 18:43:09,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 18:43:09,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:43:09,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 18:43:09,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:43:09,883 INFO L87 Difference]: Start difference. First operand 239 states and 260 transitions. Second operand 11 states. [2020-12-04 18:43:14,726 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:43:17,813 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-04 18:43:18,810 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-04 18:43:20,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:43:20,381 INFO L93 Difference]: Finished difference Result 360 states and 388 transitions. [2020-12-04 18:43:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-04 18:43:20,386 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-12-04 18:43:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:43:20,388 INFO L225 Difference]: With dead ends: 360 [2020-12-04 18:43:20,388 INFO L226 Difference]: Without dead ends: 352 [2020-12-04 18:43:20,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2020-12-04 18:43:20,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-12-04 18:43:20,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 240. [2020-12-04 18:43:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-04 18:43:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 260 transitions. [2020-12-04 18:43:20,413 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 260 transitions. Word has length 61 [2020-12-04 18:43:20,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:43:20,413 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 260 transitions. [2020-12-04 18:43:20,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 18:43:20,414 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 260 transitions. [2020-12-04 18:43:20,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-04 18:43:20,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:43:20,415 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:43:20,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-04 18:43:20,416 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:43:20,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:43:20,417 INFO L82 PathProgramCache]: Analyzing trace with hash -375484704, now seen corresponding path program 1 times [2020-12-04 18:43:20,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:43:20,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71768426] [2020-12-04 18:43:20,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:43:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:43:25,275 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-12-04 18:43:25,561 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-12-04 18:43:25,951 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-12-04 18:43:26,249 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-12-04 18:43:26,514 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-12-04 18:43:26,950 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2020-12-04 18:43:26,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-04 18:43:26,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71768426] [2020-12-04 18:43:26,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:43:26,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-04 18:43:26,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046670022] [2020-12-04 18:43:26,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-04 18:43:26,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:43:26,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-04 18:43:26,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-12-04 18:43:26,981 INFO L87 Difference]: Start difference. First operand 240 states and 260 transitions. Second operand 15 states. [2020-12-04 18:43:27,762 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-04 18:43:28,543 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-04 18:43:29,051 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-04 18:43:29,399 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-04 18:43:29,623 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-04 18:43:30,331 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-04 18:43:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:43:33,602 INFO L93 Difference]: Finished difference Result 486 states and 517 transitions. [2020-12-04 18:43:33,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-04 18:43:33,608 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 62 [2020-12-04 18:43:33,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:43:33,611 INFO L225 Difference]: With dead ends: 486 [2020-12-04 18:43:33,611 INFO L226 Difference]: Without dead ends: 306 [2020-12-04 18:43:33,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2020-12-04 18:43:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-12-04 18:43:33,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 181. [2020-12-04 18:43:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-12-04 18:43:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 193 transitions. [2020-12-04 18:43:33,633 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 193 transitions. Word has length 62 [2020-12-04 18:43:33,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:43:33,634 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 193 transitions. [2020-12-04 18:43:33,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-04 18:43:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 193 transitions. [2020-12-04 18:43:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-04 18:43:33,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:43:33,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:43:33,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-04 18:43:33,636 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:43:33,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:43:33,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1944530334, now seen corresponding path program 1 times [2020-12-04 18:43:33,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:43:33,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356014969] [2020-12-04 18:43:33,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:43:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:43:38,777 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2020-12-04 18:43:38,925 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2020-12-04 18:43:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:43:39,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356014969] [2020-12-04 18:43:39,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:43:39,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-12-04 18:43:39,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668129538] [2020-12-04 18:43:39,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-04 18:43:39,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:43:39,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-04 18:43:39,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-12-04 18:43:39,853 INFO L87 Difference]: Start difference. First operand 181 states and 193 transitions. Second operand 17 states. [2020-12-04 18:43:51,858 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-04 18:43:52,529 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-12-04 18:43:52,940 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-04 18:43:53,217 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-04 18:43:53,440 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-04 18:43:54,164 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-04 18:43:54,448 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-04 18:43:54,877 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-04 18:43:55,460 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-12-04 18:43:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:43:56,282 INFO L93 Difference]: Finished difference Result 404 states and 430 transitions. [2020-12-04 18:43:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-04 18:43:56,287 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 62 [2020-12-04 18:43:56,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:43:56,289 INFO L225 Difference]: With dead ends: 404 [2020-12-04 18:43:56,289 INFO L226 Difference]: Without dead ends: 330 [2020-12-04 18:43:56,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=324, Invalid=1008, Unknown=0, NotChecked=0, Total=1332 [2020-12-04 18:43:56,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-12-04 18:43:56,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 190. [2020-12-04 18:43:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-04 18:43:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 204 transitions. [2020-12-04 18:43:56,312 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 204 transitions. Word has length 62 [2020-12-04 18:43:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:43:56,312 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 204 transitions. [2020-12-04 18:43:56,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-04 18:43:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 204 transitions. [2020-12-04 18:43:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-04 18:43:56,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:43:56,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:43:56,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-04 18:43:56,315 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:43:56,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:43:56,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1831062709, now seen corresponding path program 1 times [2020-12-04 18:43:56,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:43:56,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296639228] [2020-12-04 18:43:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:43:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:43:57,225 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-12-04 18:43:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:43:57,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296639228] [2020-12-04 18:43:57,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:43:57,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:43:57,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122957923] [2020-12-04 18:43:57,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:43:57,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:43:57,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:43:57,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:43:57,366 INFO L87 Difference]: Start difference. First operand 190 states and 204 transitions. Second operand 6 states. [2020-12-04 18:44:04,129 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-04 18:44:05,065 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-04 18:44:05,373 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-04 18:44:05,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:44:05,605 INFO L93 Difference]: Finished difference Result 248 states and 263 transitions. [2020-12-04 18:44:05,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:44:05,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-12-04 18:44:05,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:44:05,613 INFO L225 Difference]: With dead ends: 248 [2020-12-04 18:44:05,613 INFO L226 Difference]: Without dead ends: 235 [2020-12-04 18:44:05,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:44:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-12-04 18:44:05,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2020-12-04 18:44:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-12-04 18:44:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 247 transitions. [2020-12-04 18:44:05,639 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 247 transitions. Word has length 64 [2020-12-04 18:44:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:44:05,639 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 247 transitions. [2020-12-04 18:44:05,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:44:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 247 transitions. [2020-12-04 18:44:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-04 18:44:05,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:44:05,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:44:05,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-04 18:44:05,642 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:44:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:44:05,645 INFO L82 PathProgramCache]: Analyzing trace with hash 2002093992, now seen corresponding path program 1 times [2020-12-04 18:44:05,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:44:05,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729150375] [2020-12-04 18:44:05,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:44:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:44:06,678 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2020-12-04 18:44:06,868 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2020-12-04 18:44:07,058 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2020-12-04 18:44:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:44:07,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729150375] [2020-12-04 18:44:07,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:44:07,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-04 18:44:07,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300105400] [2020-12-04 18:44:07,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-04 18:44:07,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:44:07,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-04 18:44:07,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-12-04 18:44:07,421 INFO L87 Difference]: Start difference. First operand 233 states and 247 transitions. Second operand 13 states. [2020-12-04 18:44:20,935 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2020-12-04 18:44:21,315 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2020-12-04 18:44:21,575 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2020-12-04 18:44:21,952 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-12-04 18:44:22,386 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-12-04 18:44:22,893 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-12-04 18:44:23,152 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-04 18:44:23,569 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-12-04 18:44:23,929 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2020-12-04 18:44:24,267 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-12-04 18:44:24,725 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-04 18:44:25,079 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-12-04 18:44:26,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:44:26,450 INFO L93 Difference]: Finished difference Result 273 states and 287 transitions. [2020-12-04 18:44:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-04 18:44:26,458 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 64 [2020-12-04 18:44:26,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:44:26,460 INFO L225 Difference]: With dead ends: 273 [2020-12-04 18:44:26,461 INFO L226 Difference]: Without dead ends: 215 [2020-12-04 18:44:26,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=216, Invalid=596, Unknown=0, NotChecked=0, Total=812 [2020-12-04 18:44:26,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-04 18:44:26,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 177. [2020-12-04 18:44:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-12-04 18:44:26,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 189 transitions. [2020-12-04 18:44:26,480 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 189 transitions. Word has length 64 [2020-12-04 18:44:26,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:44:26,481 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 189 transitions. [2020-12-04 18:44:26,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-04 18:44:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 189 transitions. [2020-12-04 18:44:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-04 18:44:26,483 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:44:26,483 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:44:26,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-04 18:44:26,484 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:44:26,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:44:26,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1188769797, now seen corresponding path program 1 times [2020-12-04 18:44:26,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:44:26,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325678006] [2020-12-04 18:44:26,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:44:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:44:31,055 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-04 18:44:31,258 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-04 18:44:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:44:32,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325678006] [2020-12-04 18:44:32,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167793679] [2020-12-04 18:44:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:44:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:44:34,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 2946 conjuncts, 78 conjunts are in the unsatisfiable core [2020-12-04 18:44:34,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:44:34,389 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-04 18:44:34,396 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:34,442 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:34,446 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:44:34,446 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-12-04 18:44:34,858 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-04 18:44:34,863 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:34,864 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-12-04 18:44:34,875 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:35,057 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2020-12-04 18:44:35,062 INFO L625 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2020-12-04 18:44:35,067 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:44:35,067 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2020-12-04 18:44:35,385 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:35,386 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-12-04 18:44:35,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:44:35,425 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:35,507 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:35,511 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:44:35,512 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2020-12-04 18:44:36,023 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:44:36,026 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:44:36,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:36,100 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2020-12-04 18:44:36,107 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:36,129 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:44:36,134 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:36,311 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-04 18:44:36,313 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:36,369 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2020-12-04 18:44:36,376 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:36,393 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:44:36,397 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:36,525 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-04 18:44:36,527 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:36,531 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 18:44:36,531 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:97, output treesize:37 [2020-12-04 18:44:36,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:44:36,734 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:44:36,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:36,822 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2020-12-04 18:44:36,831 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:36,851 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2020-12-04 18:44:36,857 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:37,045 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-04 18:44:37,049 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:37,073 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2020-12-04 18:44:37,079 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:37,097 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2020-12-04 18:44:37,103 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:37,254 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-04 18:44:37,257 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:37,268 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 18:44:37,269 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:113, output treesize:29 [2020-12-04 18:44:37,598 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-04 18:44:37,920 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-04 18:44:38,458 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:44:38,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:44:38,535 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:38,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-04 18:44:38,560 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_33|], 4=[|v_#memory_int_39|], 6=[|v_#memory_$Pointer$.base_30|, |v_#memory_$Pointer$.base_33|, |v_#memory_$Pointer$.offset_30|]} [2020-12-04 18:44:38,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:44:38,684 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2020-12-04 18:44:38,693 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:38,727 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:44:38,734 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:39,236 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-04 18:44:39,239 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:39,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:44:39,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:44:39,343 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 9 [2020-12-04 18:44:39,352 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:39,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:44:39,388 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 9 [2020-12-04 18:44:39,398 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:44:39,872 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-04 18:44:39,875 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:39,905 INFO L547 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:44:39,929 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:44:40,615 WARN L197 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-04 18:44:40,618 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:40,874 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-04 18:44:40,877 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:44:40,878 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 82 [2020-12-04 18:44:40,884 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,889 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,890 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,893 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,896 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-04 18:44:40,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,899 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,901 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,922 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:44:40,923 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,950 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:44:40,955 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:44:40,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:44:40,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:44:40,987 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_12], 1=[v_arrayElimCell_11]} [2020-12-04 18:45:07,849 WARN L197 SmtUtils]: Spent 24.42 s on a formula simplification that was a NOOP. DAG size: 72 [2020-12-04 18:45:07,872 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-04 18:45:07,872 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:45:07,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-04 18:45:07,891 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 18:45:07,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-04 18:45:07,922 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 18:45:07,950 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_33|], 1=[v_prenex_4, |v_#memory_$Pointer$.base_30|, v_prenex_6, |v_#memory_$Pointer$.offset_30|, v_prenex_2, |v_#memory_int_39|], 2=[v_prenex_5], 4=[|v_#memory_$Pointer$.base_33|, v_prenex_3]} [2020-12-04 18:45:08,008 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:45:08,013 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:08,072 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:45:08,077 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:09,352 WARN L197 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 107 [2020-12-04 18:45:09,354 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:09,369 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:45:09,390 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:45:10,763 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 110 [2020-12-04 18:45:10,765 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:10,789 INFO L547 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:45:10,818 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:45:14,659 WARN L197 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 112 [2020-12-04 18:45:14,661 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:45:14,784 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:45:14,790 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:14,856 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:45:14,863 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:17,600 WARN L197 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 103 [2020-12-04 18:45:17,601 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:45:17,657 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:45:17,664 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:17,695 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:45:17,703 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:19,724 WARN L197 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 96 [2020-12-04 18:45:19,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:19,745 INFO L547 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:45:19,765 INFO L547 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:45:23,968 WARN L197 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 98 [2020-12-04 18:45:23,970 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:24,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:45:24,108 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:45:24,119 INFO L547 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:24,191 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:45:24,198 INFO L547 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-12-04 18:45:28,359 WARN L197 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 88 [2020-12-04 18:45:28,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:28,582 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:45:28,585 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:45:28,586 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 67 [2020-12-04 18:45:28,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:45:28,591 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:45:28,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:45:28,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:45:28,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:45:28,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:45:28,596 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:45:28,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:45:28,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:45:28,617 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_20], 1=[v_arrayElimCell_19]} [2020-12-04 18:46:31,503 WARN L197 SmtUtils]: Spent 58.97 s on a formula simplification that was a NOOP. DAG size: 121 [2020-12-04 18:46:31,564 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_33|], 1=[v_prenex_4, |v_#memory_$Pointer$.base_30|, v_prenex_6, |v_#memory_$Pointer$.offset_30|, v_prenex_2, |v_#memory_int_39|], 2=[v_prenex_5], 4=[|v_#memory_$Pointer$.base_33|, v_prenex_3]} [2020-12-04 18:46:31,627 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:46:31,632 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:46:32,405 WARN L197 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-04 18:46:32,407 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:32,432 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:46:33,003 WARN L197 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-04 18:46:33,006 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:33,037 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:46:33,920 WARN L197 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-04 18:46:33,922 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:33,988 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:46:33,997 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:46:34,744 WARN L197 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-04 18:46:34,747 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:34,783 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:46:34,792 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:46:35,281 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-04 18:46:35,284 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:35,307 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:46:35,966 WARN L197 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-04 18:46:35,968 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:36,025 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:46:36,032 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-04 18:46:36,502 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 18:46:36,504 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:36,674 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:46:36,675 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:46:36,676 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 67 [2020-12-04 18:46:36,680 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:46:36,682 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:46:36,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:46:36,684 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:46:36,685 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:46:36,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:46:36,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:46:36,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:46:36,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:46:36,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:46:36,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:46:36,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:46:36,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:46:36,709 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_25], 1=[v_arrayElimCell_24]} [2020-12-04 18:47:00,923 WARN L197 SmtUtils]: Spent 16.07 s on a formula simplification that was a NOOP. DAG size: 111 [2020-12-04 18:47:01,041 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_33|], 1=[v_prenex_4, |v_#memory_$Pointer$.base_30|, v_prenex_6, |v_#memory_$Pointer$.offset_30|, v_prenex_2, |v_#memory_int_39|], 2=[v_prenex_5], 4=[|v_#memory_$Pointer$.base_33|, v_prenex_3]} [2020-12-04 18:47:01,093 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:47:01,099 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:01,895 WARN L197 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-04 18:47:01,898 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:01,924 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:02,497 WARN L197 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-04 18:47:02,499 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:02,525 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:03,503 WARN L197 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-04 18:47:03,505 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:03,599 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:03,609 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:04,379 WARN L197 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-04 18:47:04,382 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:04,415 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:47:04,427 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:04,947 WARN L197 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-04 18:47:04,950 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:04,975 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:05,666 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-04 18:47:05,669 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:05,729 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:05,738 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:06,217 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 18:47:06,220 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:06,414 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:47:06,417 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:06,417 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 67 [2020-12-04 18:47:06,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:06,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:06,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:06,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:06,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:47:06,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:47:06,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:06,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:47:06,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:06,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:06,451 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_30], 1=[v_arrayElimCell_29]} [2020-12-04 18:47:06,526 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_33|], 1=[v_prenex_4, |v_#memory_$Pointer$.base_30|, v_prenex_6, |v_#memory_$Pointer$.offset_30|, v_prenex_2, |v_#memory_int_39|], 2=[v_prenex_5], 4=[|v_#memory_$Pointer$.base_33|, v_prenex_3]} [2020-12-04 18:47:06,579 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:47:06,585 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:07,267 WARN L197 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-04 18:47:07,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:07,295 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:07,881 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-04 18:47:07,884 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:07,907 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:08,823 WARN L197 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-04 18:47:08,826 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:08,911 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:08,920 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:09,622 WARN L197 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-04 18:47:09,625 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:09,669 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:47:09,679 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:10,187 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-04 18:47:10,190 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:10,215 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:10,982 WARN L197 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-04 18:47:10,984 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:11,056 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:11,065 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:11,540 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 18:47:11,543 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:11,757 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:47:11,759 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:11,760 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 67 [2020-12-04 18:47:11,764 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,767 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:47:11,769 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,769 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:47:11,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:47:11,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,780 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,781 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:47:11,782 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,783 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:11,785 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:11,810 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_34], 1=[v_arrayElimCell_35]} [2020-12-04 18:47:29,025 WARN L197 SmtUtils]: Spent 16.22 s on a formula simplification that was a NOOP. DAG size: 111 [2020-12-04 18:47:29,048 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:47:29,052 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:29,055 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-04 18:47:29,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:47:29,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-04 18:47:29,100 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_33|], 1=[v_prenex_4, |v_#memory_$Pointer$.base_30|, v_prenex_6, |v_#memory_$Pointer$.offset_30|, v_prenex_2, |v_#memory_int_39|], 2=[v_prenex_5], 4=[|v_#memory_$Pointer$.base_33|, v_prenex_3], 10=[|#memory_int|]} [2020-12-04 18:47:29,154 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:47:29,158 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:29,195 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2020-12-04 18:47:29,199 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:30,984 WARN L197 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 110 [2020-12-04 18:47:30,986 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:31,011 INFO L547 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:31,035 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:33,095 WARN L197 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 113 [2020-12-04 18:47:33,098 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:33,128 INFO L547 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:33,171 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:39,885 WARN L197 SmtUtils]: Spent 6.71 s on a formula simplification that was a NOOP. DAG size: 115 [2020-12-04 18:47:39,888 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:39,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:47:40,102 INFO L244 Elim1Store]: Index analysis took 147 ms [2020-12-04 18:47:40,174 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:40,183 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:40,289 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:40,296 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:44,191 WARN L197 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 106 [2020-12-04 18:47:44,193 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:44,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:47:44,244 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:47:44,249 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:44,278 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:47:44,286 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:47,704 WARN L197 SmtUtils]: Spent 3.42 s on a formula simplification that was a NOOP. DAG size: 99 [2020-12-04 18:47:47,707 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:47,736 INFO L547 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:47,767 INFO L547 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:47:55,378 WARN L197 SmtUtils]: Spent 7.61 s on a formula simplification that was a NOOP. DAG size: 101 [2020-12-04 18:47:55,381 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:47:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:47:55,528 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:55,538 INFO L547 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-12-04 18:47:55,604 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2020-12-04 18:47:55,612 INFO L547 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-12-04 18:48:00,788 WARN L197 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 91 [2020-12-04 18:48:00,790 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:48:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:48:00,840 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2020-12-04 18:48:00,889 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2020-12-04 18:48:00,895 INFO L547 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-12-04 18:48:00,920 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:48:00,923 INFO L547 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:48:01,065 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:48:01,067 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:48:01,067 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 67 [2020-12-04 18:48:01,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:48:01,071 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:48:01,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:48:01,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:48:01,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:48:01,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:48:01,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:48:01,076 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:48:01,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:48:01,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:48:01,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:48:01,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:48:01,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:48:01,098 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_45], 1=[v_arrayElimCell_46]} [2020-12-04 18:49:10,865 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-04 18:49:10,867 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-12-04 18:49:10,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-04 18:49:10,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-12-04 18:49:10,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061680098] [2020-12-04 18:49:10,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-04 18:49:10,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:10,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-04 18:49:10,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=714, Unknown=12, NotChecked=0, Total=812 [2020-12-04 18:49:10,871 INFO L87 Difference]: Start difference. First operand 177 states and 189 transitions. Second operand 20 states. [2020-12-04 18:49:11,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-04 18:49:11,074 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertCodeBlock(IncrementalHoareTripleChecker.java:432) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:281) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:759) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:254) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 31 more [2020-12-04 18:49:11,082 INFO L168 Benchmark]: Toolchain (without parser) took 503633.74 ms. Allocated memory was 50.3 MB in the beginning and 650.1 MB in the end (delta: 599.8 MB). Free memory was 29.0 MB in the beginning and 442.7 MB in the end (delta: -413.8 MB). Peak memory consumption was 188.7 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:11,082 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 23.7 MB in the beginning and 23.7 MB in the end (delta: 19.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:49:11,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5082.94 ms. Allocated memory was 50.3 MB in the beginning and 121.6 MB in the end (delta: 71.3 MB). Free memory was 28.7 MB in the beginning and 59.9 MB in the end (delta: -31.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:11,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 370.13 ms. Allocated memory is still 121.6 MB. Free memory was 59.9 MB in the beginning and 47.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:11,084 INFO L168 Benchmark]: Boogie Preprocessor took 141.55 ms. Allocated memory is still 121.6 MB. Free memory was 47.4 MB in the beginning and 39.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:11,084 INFO L168 Benchmark]: RCFGBuilder took 10397.31 ms. Allocated memory was 121.6 MB in the beginning and 450.9 MB in the end (delta: 329.3 MB). Free memory was 39.0 MB in the beginning and 256.0 MB in the end (delta: -217.0 MB). Peak memory consumption was 198.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:11,085 INFO L168 Benchmark]: TraceAbstraction took 487630.64 ms. Allocated memory was 450.9 MB in the beginning and 650.1 MB in the end (delta: 199.2 MB). Free memory was 254.9 MB in the beginning and 442.7 MB in the end (delta: -187.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:11,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 23.7 MB in the beginning and 23.7 MB in the end (delta: 19.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5082.94 ms. Allocated memory was 50.3 MB in the beginning and 121.6 MB in the end (delta: 71.3 MB). Free memory was 28.7 MB in the beginning and 59.9 MB in the end (delta: -31.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 370.13 ms. Allocated memory is still 121.6 MB. Free memory was 59.9 MB in the beginning and 47.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.55 ms. Allocated memory is still 121.6 MB. Free memory was 47.4 MB in the beginning and 39.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10397.31 ms. Allocated memory was 121.6 MB in the beginning and 450.9 MB in the end (delta: 329.3 MB). Free memory was 39.0 MB in the beginning and 256.0 MB in the end (delta: -217.0 MB). Peak memory consumption was 198.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 487630.64 ms. Allocated memory was 450.9 MB in the beginning and 650.1 MB in the end (delta: 199.2 MB). Free memory was 254.9 MB in the beginning and 442.7 MB in the end (delta: -187.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:49:13,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:49:13,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:49:13,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:49:13,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:49:13,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:49:13,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:49:13,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:49:13,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:49:13,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:49:13,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:49:13,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:49:13,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:49:13,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:49:13,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:49:13,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:49:13,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:49:13,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:49:13,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:49:13,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:49:13,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:49:13,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:49:13,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:49:13,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:49:13,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:49:13,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:49:13,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:49:13,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:49:13,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:49:13,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:49:13,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:49:13,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:49:13,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:49:13,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:49:13,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:49:13,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:49:13,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:49:13,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:49:13,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:49:13,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:49:13,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:49:13,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-04 18:49:13,771 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:49:13,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:49:13,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:49:13,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:49:13,774 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:49:13,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:49:13,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:49:13,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:49:13,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:49:13,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:49:13,776 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 18:49:13,776 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 18:49:13,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:49:13,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:49:13,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:49:13,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:49:13,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:49:13,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:49:13,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:49:13,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:49:13,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:49:13,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:49:13,779 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 18:49:13,780 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 18:49:13,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:49:13,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:49:13,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 18:49:13,781 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9748ac58153b64e747f8b8295c3f77a1a4b306a [2020-12-04 18:49:14,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:49:14,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:49:14,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:49:14,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:49:14,219 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:49:14,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i [2020-12-04 18:49:14,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03a075ed/e9e8a4fa572d44e7a78a53845684c7ab/FLAGb10a55898 [2020-12-04 18:49:15,642 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:49:15,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i [2020-12-04 18:49:15,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03a075ed/e9e8a4fa572d44e7a78a53845684c7ab/FLAGb10a55898 [2020-12-04 18:49:15,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03a075ed/e9e8a4fa572d44e7a78a53845684c7ab [2020-12-04 18:49:15,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:49:15,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:49:15,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:49:15,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:49:15,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:49:15,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:49:15" (1/1) ... [2020-12-04 18:49:15,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d5c9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:15, skipping insertion in model container [2020-12-04 18:49:15,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:49:15" (1/1) ... [2020-12-04 18:49:15,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:49:16,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:49:16,501 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4504,4517] [2020-12-04 18:49:16,511 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4564,4577] [2020-12-04 18:49:16,550 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:49:16,560 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:49:18,008 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,010 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,011 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,012 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,014 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,034 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,036 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,038 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,039 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:18,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:49:18,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:49:18,552 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:49:18,556 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:49:18,558 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:49:18,562 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:49:18,563 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:49:18,567 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:49:18,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:49:18,569 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:49:18,830 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:49:19,003 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,006 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:49:19,211 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:49:19,229 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4504,4517] [2020-12-04 18:49:19,230 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_left_trim_pred_harness.i[4564,4577] [2020-12-04 18:49:19,233 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:49:19,234 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:49:19,290 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,295 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,296 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,297 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,298 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,324 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,325 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,327 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,327 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,467 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:49:19,469 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:49:19,469 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:49:19,474 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:49:19,480 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:49:19,480 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:49:19,481 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:49:19,499 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:49:19,501 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:49:19,502 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:49:19,558 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:49:19,710 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,711 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:19,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:49:21,248 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:49:21,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:21 WrapperNode [2020-12-04 18:49:21,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:49:21,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:49:21,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:49:21,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:49:21,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:21" (1/1) ... [2020-12-04 18:49:21,361 ERROR L1131 TypeChecker]: C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263]: Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] [2020-12-04 18:49:21,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:21" (1/1) ... [2020-12-04 18:49:21,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:49:21,432 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-04 18:49:21,437 INFO L168 Benchmark]: Toolchain (without parser) took 5511.61 ms. Allocated memory was 44.0 MB in the beginning and 113.2 MB in the end (delta: 69.2 MB). Free memory was 20.8 MB in the beginning and 21.8 MB in the end (delta: -1.0 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:21,437 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 35.7 MB. Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: 22.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:49:21,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5316.22 ms. Allocated memory was 44.0 MB in the beginning and 113.2 MB in the end (delta: 69.2 MB). Free memory was 26.5 MB in the beginning and 27.0 MB in the end (delta: -531.4 kB). Peak memory consumption was 78.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:21,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.75 ms. Allocated memory is still 113.2 MB. Free memory was 27.0 MB in the beginning and 21.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:21,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 35.7 MB. Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: 22.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5316.22 ms. Allocated memory was 44.0 MB in the beginning and 113.2 MB in the end (delta: 69.2 MB). Free memory was 26.5 MB in the beginning and 27.0 MB in the end (delta: -531.4 kB). Peak memory consumption was 78.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 181.75 ms. Allocated memory is still 113.2 MB. Free memory was 27.0 MB in the beginning and 21.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 263]: Type Error Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...